Whakaoti i te [(x-1/2y)^{3}+3/2xy*(x-1/2y)]*(1/8y^{3}+x^3)-(-frac{1}{4}y^2)^3-x^6

$$[ ( x - \frac { 1 } { 2 } y ) ^ { 3 } + \frac { 3 } { 2 } x y \cdot ( x - \frac { 1 } { 2 } y ) ] \cdot ( \frac { 1 } { 8 } y ^ { 3 } + x ^ { 3 } ) - ( - \frac { 1 } { 4 } y ^ { 2 } ) ^ { 3 } - x ^ { 6 }$$

Aromātai

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Ngā Upane Otinga

Whakamahia te ture huarua \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} hei whakaroha \left(x-\frac{1}{2}y\right)^{3}.

$$\left(x^{3}-\frac{3}{2}x^{2}y+\frac{3}{4}xy^{2}-\frac{1}{8}y^{3}+\frac{3}{2}xy\left(x-\frac{1}{2}y\right)\right)\left(\frac{1}{8}y^{3}+x^{3}\right)-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Whakamahia te āhuatanga tohatoha hei whakarea te \frac{3}{2}xy ki te x-\frac{1}{2}y.

$$\left(x^{3}-\frac{3}{2}x^{2}y+\frac{3}{4}xy^{2}-\frac{1}{8}y^{3}+\frac{3}{2}yx^{2}-\frac{3}{4}xy^{2}\right)\left(\frac{1}{8}y^{3}+x^{3}\right)-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Pahekotia te -\frac{3}{2}x^{2}y me \frac{3}{2}yx^{2}, ka 0.

$$\left(x^{3}+\frac{3}{4}xy^{2}-\frac{1}{8}y^{3}-\frac{3}{4}xy^{2}\right)\left(\frac{1}{8}y^{3}+x^{3}\right)-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Pahekotia te \frac{3}{4}xy^{2} me -\frac{3}{4}xy^{2}, ka 0.

$$\left(x^{3}-\frac{1}{8}y^{3}\right)\left(\frac{1}{8}y^{3}+x^{3}\right)-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Whakaarohia te \left(x^{3}-\frac{1}{8}y^{3}\right)\left(\frac{1}{8}y^{3}+x^{3}\right). Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.

$$\left(x^{3}\right)^{2}-\left(\frac{1}{8}y^{3}\right)^{2}-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Hei hiki pū ki tētahi pū anō, me whakarea ngā taupū. Me whakarea te 3 me te 2 kia riro ai te 6.

$$x^{6}-\left(\frac{1}{8}y^{3}\right)^{2}-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Whakarohaina te \left(\frac{1}{8}y^{3}\right)^{2}.

$$x^{6}-\left(\frac{1}{8}\right)^{2}\left(y^{3}\right)^{2}-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Hei hiki pū ki tētahi pū anō, me whakarea ngā taupū. Me whakarea te 3 me te 2 kia riro ai te 6.

$$x^{6}-\left(\frac{1}{8}\right)^{2}y^{6}-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Tātaihia te \frac{1}{8} mā te pū o 2, kia riro ko \frac{1}{64}.

$$x^{6}-\frac{1}{64}y^{6}-\left(-\frac{1}{4}y^{2}\right)^{3}-x^{6}$$

Whakarohaina te \left(-\frac{1}{4}y^{2}\right)^{3}.

$$x^{6}-\frac{1}{64}y^{6}-\left(-\frac{1}{4}\right)^{3}\left(y^{2}\right)^{3}-x^{6}$$

Hei hiki pū ki tētahi pū anō, me whakarea ngā taupū. Me whakarea te 2 me te 3 kia riro ai te 6.

$$x^{6}-\frac{1}{64}y^{6}-\left(-\frac{1}{4}\right)^{3}y^{6}-x^{6}$$

Tātaihia te -\frac{1}{4} mā te pū o 3, kia riro ko -\frac{1}{64}.

$$x^{6}-\frac{1}{64}y^{6}-\left(-\frac{1}{64}y^{6}\right)-x^{6}$$

Ko te tauaro o -\frac{1}{64}y^{6} ko \frac{1}{64}y^{6}.

$$x^{6}-\frac{1}{64}y^{6}+\frac{1}{64}y^{6}-x^{6}$$

Pahekotia te -\frac{1}{64}y^{6} me \frac{1}{64}y^{6}, ka 0.

$$x^{6}-x^{6}$$

Pahekotia te x^{6} me -x^{6}, ka 0.

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Tauwehe

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Ngā Upane Otinga

Tauwehea te \frac{1}{64}.

$$\frac{\left(\left(2x-y\right)^{3}+6xy\left(2x-y\right)\right)\left(y^{3}+8x^{3}\right)+y^{6}-64x^{6}}{64}$$

Whakarūnātia.

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